Waddell Industries has a past history of uncollectible accounts, as follows. Age Class Percent Uncollectible Not past due 2% 130 days past due 5 3160 days past due 14 6190 days past due 33 Over 90 days past due 78 Estimate the allowance for doubtful accounts, based on the aging of receivables schedule you completed in Exercise 9-8. Waddell Industries Estimate the allowance for doubtful accounts 1 Days Past Due Days Past Due Days Past Due Days Past Due 2 Balance Not Past Due 1-30 31-60 61-90 Over 90 3 Total receivables 1,149,500.00 611,000.00 236,000.00 122,100.00 106,000.00 74,400.00 4 Percentage uncollectible 2.0% 5.0% 14.0% 33.0% 78.0% 5 Allowance for doubtful accounts